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-rw-r--r--arch/mips/include/asm/asmmacro-32.h91
1 files changed, 91 insertions, 0 deletions
diff --git a/arch/mips/include/asm/asmmacro-32.h b/arch/mips/include/asm/asmmacro-32.h
new file mode 100644
index 0000000000..83a4940b7c
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+++ b/arch/mips/include/asm/asmmacro-32.h
@@ -0,0 +1,91 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * asmmacro.h: Assembler macros to make things easier to read.
+ *
+ * Copyright (C) 1996 David S. Miller (davem@davemloft.net)
+ * Copyright (C) 1998, 1999, 2003 Ralf Baechle
+ */
+#ifndef _ASM_ASMMACRO_32_H
+#define _ASM_ASMMACRO_32_H
+
+#include <asm/asm-offsets.h>
+#include <asm/regdef.h>
+#include <asm/fpregdef.h>
+#include <asm/mipsregs.h>
+
+ .macro fpu_save_single thread tmp=t0
+ .set push
+ .set hardfloat
+ cfc1 \tmp, fcr31
+ s.d $f0, THREAD_FPR0(\thread)
+ s.d $f2, THREAD_FPR2(\thread)
+ s.d $f4, THREAD_FPR4(\thread)
+ s.d $f6, THREAD_FPR6(\thread)
+ s.d $f8, THREAD_FPR8(\thread)
+ s.d $f10, THREAD_FPR10(\thread)
+ s.d $f12, THREAD_FPR12(\thread)
+ s.d $f14, THREAD_FPR14(\thread)
+ s.d $f16, THREAD_FPR16(\thread)
+ s.d $f18, THREAD_FPR18(\thread)
+ s.d $f20, THREAD_FPR20(\thread)
+ s.d $f22, THREAD_FPR22(\thread)
+ s.d $f24, THREAD_FPR24(\thread)
+ s.d $f26, THREAD_FPR26(\thread)
+ s.d $f28, THREAD_FPR28(\thread)
+ s.d $f30, THREAD_FPR30(\thread)
+ sw \tmp, THREAD_FCR31(\thread)
+ .set pop
+ .endm
+
+ .macro fpu_restore_single thread tmp=t0
+ .set push
+ .set hardfloat
+ lw \tmp, THREAD_FCR31(\thread)
+ l.d $f0, THREAD_FPR0(\thread)
+ l.d $f2, THREAD_FPR2(\thread)
+ l.d $f4, THREAD_FPR4(\thread)
+ l.d $f6, THREAD_FPR6(\thread)
+ l.d $f8, THREAD_FPR8(\thread)
+ l.d $f10, THREAD_FPR10(\thread)
+ l.d $f12, THREAD_FPR12(\thread)
+ l.d $f14, THREAD_FPR14(\thread)
+ l.d $f16, THREAD_FPR16(\thread)
+ l.d $f18, THREAD_FPR18(\thread)
+ l.d $f20, THREAD_FPR20(\thread)
+ l.d $f22, THREAD_FPR22(\thread)
+ l.d $f24, THREAD_FPR24(\thread)
+ l.d $f26, THREAD_FPR26(\thread)
+ l.d $f28, THREAD_FPR28(\thread)
+ l.d $f30, THREAD_FPR30(\thread)
+ ctc1 \tmp, fcr31
+ .set pop
+ .endm
+
+ .macro cpu_save_nonscratch thread
+ LONG_S s0, THREAD_REG16(\thread)
+ LONG_S s1, THREAD_REG17(\thread)
+ LONG_S s2, THREAD_REG18(\thread)
+ LONG_S s3, THREAD_REG19(\thread)
+ LONG_S s4, THREAD_REG20(\thread)
+ LONG_S s5, THREAD_REG21(\thread)
+ LONG_S s6, THREAD_REG22(\thread)
+ LONG_S s7, THREAD_REG23(\thread)
+ LONG_S sp, THREAD_REG29(\thread)
+ LONG_S fp, THREAD_REG30(\thread)
+ .endm
+
+ .macro cpu_restore_nonscratch thread
+ LONG_L s0, THREAD_REG16(\thread)
+ LONG_L s1, THREAD_REG17(\thread)
+ LONG_L s2, THREAD_REG18(\thread)
+ LONG_L s3, THREAD_REG19(\thread)
+ LONG_L s4, THREAD_REG20(\thread)
+ LONG_L s5, THREAD_REG21(\thread)
+ LONG_L s6, THREAD_REG22(\thread)
+ LONG_L s7, THREAD_REG23(\thread)
+ LONG_L sp, THREAD_REG29(\thread)
+ LONG_L fp, THREAD_REG30(\thread)
+ LONG_L ra, THREAD_REG31(\thread)
+ .endm
+
+#endif /* _ASM_ASMMACRO_32_H */